package kr.saeildamil.androidstudty.ch07;

import kr.saeildamil.androidstudty.R;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Bundle;
import android.view.View;

public class DrawBitmapEx extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		DrawView dv = new DrawView(this);
		setContentView(dv);
	}
}

class DrawView extends View{
	Bitmap bit;
	Canvas offscreen;
	Paint pnt;
	Bitmap backBit;
	public DrawView(Context context) {
		super(context);
		bit = BitmapFactory.decodeResource(getResources(), R.drawable.harubang);
		backBit = Bitmap.createBitmap(300, 200, Bitmap.Config.ARGB_8888);
		offscreen = new Canvas(backBit);
		offscreen.drawColor(Color.GREEN);
		pnt = new Paint();
		pnt.setColor(Color.RED);
	}
	
	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		/*canvas.drawBitmap(bit, 10, 10, null);//원본이미지를 (10,10)위치에 드로우
		canvas.drawBitmap(bit, null, new Rect(120, 10, 170, 85), null);//이미지를 축소
		canvas.drawBitmap(bit, new Rect(30, 30, 70, 80), new Rect(180, 10, 180+80, 10+100),null);
		canvas.drawBitmap(bit, null, new Rect(10,200,380,500), null);*/
		canvas.drawColor(Color.LTGRAY);
		for (int x=0; x<300 ;x+=10){
			offscreen.drawLine(x, 0, 300-x, 200, pnt);
		}
		canvas.drawBitmap(backBit, 10, 10, null);
		
	}
}











